The patient characteristics of the two groups
| Characteristics | Regimen
A (n = 272) | Regimen
B (n = 58) | P |
| Gender | 0.550 | ||
| Male | 180 | 36 | |
| Female | 92 | 22 | |
| Age, years | 0.707 | ||
| < 10 | 36 | 5 | |
| 10–20 | 168 | 39 | |
| 21–30 | 43 | 10 | |
| > 30 | 25 | 4 | |
| Location | 0.669 | ||
| Extremity | 266 | 56 | |
| Pelvis | 5 | 2 | |
| Other | 1 | 0 | |
| Tumor volume (cm3) | 0.353 | ||
| < 150 | 170 | 40 | |
| ≥ 150 | 102 | 18 | |
| Tumor margin | 0.993 | ||
| Radical | 5 | 1 | |
| Wide | 252 | 54 | |
| Marginal | 15 | 3 | |
| Surgery | 0.796 | ||
| Limb salvage | 226 | 49 | |
| Amputation | 46 | 9 |